Japan joins crackdown on online child porn

Tokyo  Investigative authorities in Japan, United States and 72 other countries recently launched a joint international crackdown on child pornography video providers that use file-exchange software to distribute the images on the Internet, it has been learned.

The international police operation is designed to eradicate child porn, including video clips, which are proliferating over the Internet, sources said.

Japan has been criticized internationally as a "massive child porn supplier nation."